Weather History for Mount Shasta, CA

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 84 °F 61 °F
Mean Temperature 74 °F 65 °F 51 °F
Min Temperature 56 °F 46 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 14 2 0 53
Cooling Degree Days (base 65) 9 2 0 58
Growing Degree Days (base 50) 22 15 2 437
Dew Point  
Dew Point 57 °F 43 °F 25 °F
Precipitation  
Precipitation 0.21 in 0.01 in 0.00 in 0.30 in
Snowdepth - - - -
Wind  
Wind 10 mph 2 mph 0 mph
Gust Wind 23 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.06 in 29.84 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 09, 2011 Rise Set
Actual Time 6:43 AM PDT 7:29 PM PDT
Civil Twilight 6:15 AM PDT 7:56 PM PDT
Nautical Twilight 5:42 AM PDT 8:29 PM PDT
Astronomical Twilight 5:07 AM PDT 9:04 PM PDT
Moon 5:58 PM PDT (9/9) 4:07 AM PDT (9/9)
Length of Visible Light 13h 41m
Length of Day
12h 45m
Waxing Gibbous, 94% of the Moon is Illuminated
Sep 9
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 0.30 Normal Month Total: 0.67
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
76 | 44 0.00
Average:
82 | 46 0.01
Clear
Actual:
86 | 43 0.00
Average:
82 | 45 0.02
Clear
Actual:
91 | 47 0.00
Average:
81 | 45 0.02
Clear
Actual:
89 | 46 0.00
Average:
81 | 45 0.01
Clear
Actual:
88 | 45 0.00
Average:
81 | 45 0.02
Clear
Actual:
89 | 47 0.00
Average:
81 | 45 0.02
Clear
Actual:
90 | 45 0.00
Average:
80 | 45 0.02
Clear
Actual:
89 | 48 0.00
Average:
80 | 44 0.02
Clear
Actual:
91 | 56 0.00
Average:
80 | 44 0.02
Clear
Actual:
91 | 53 0.00
Average:
80 | 44 0.02
Rain
Actual:
86 | 48 0.07
Average:
79 | 44 0.02
Rain
Actual:
86 | 50 0.02
Average:
79 | 44 0.02
Clear
Actual:
88 | 47 0.00
Average:
79 | 44 0.03
Clear
Actual:
87 | 50 0.00
Average:
79 | 43 0.02
Rain
Actual:
77 | 49 0.21
Average:
78 | 43 0.02
Clear
Actual:
71 | 42 0.00
Average:
78 | 43 0.02
Clear
Actual:
75 | 40 0.00
Average:
78 | 43 0.02
Clear
Actual:
83 | 43 0.00
Average:
78 | 43 0.02
Clear
Actual:
85 | 46 0.00
Average:
77 | 42 0.03
Clear
Actual:
85 | 45 0.00
Average:
77 | 42 0.02
Clear
Actual:
85 | 47 0.00
Average:
77 | 42 0.03
Clear
Actual:
90 | 46 0.00
Average:
76 | 42 0.02
Clear
Actual:
93 | 45 0.00
Average:
76 | 42 0.02
Clear
Actual:
84 | 48 0.00
Average:
76 | 41 0.03
Rain
Actual:
61 | 41 T
Average:
75 | 41 0.02
Clear
Actual:
75 | 38 0.00
Average:
75 | 41 0.03
Clear
Actual:
81 | 43 0.00
Average:
75 | 41 0.03
Clear
Actual:
81 | 45 0.00
Average:
74 | 41 0.03
Clear
Actual:
86 | 46 0.00
Average:
74 | 40 0.03
Scattered Clouds
Actual:
80 | 46 0.00
Average:
74 | 40 0.03
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 76 60 44 42 37 29 76 47 22 30.12 30.07 29.98 10 10 10 10 3 18 0.00  
2 86 65 43 45 36 29 62 37 17 30.14 30.07 30.00 10 10 10 9 3 17 0.00  
3 91 69 47 47 40 31 71 43 11 30.06 30.00 29.94 10 10 10 6 1 12 0.00  
4 89 68 46 49 39 32 71 44 17 30.04 29.98 29.94 10 10 10 7 1 18 0.00  
5 88 67 45 49 38 35 76 42 16 30.07 30.01 29.97 10 10 10 6 0 14 0.00  
6 89 68 47 50 38 25 71 43 10 30.16 30.11 30.07 10 10 10 5 0 12 0.00  
7 90 68 45 46 37 31 63 39 15 30.18 30.13 30.10 10 10 10 6 1 12 0.00  
8 89 69 48 49 42 38 71 40 17 30.20 30.14 30.09 10 10 10 8 3 20 0.00  
9 91 74 56 52 46 39 72 41 18 30.15 30.05 29.96 10 10 10 10 4 16 0.00  
10 91 72 53 53 43 36 67 40 15 30.01 29.93 29.84 10 10 9 7 1 14 0.00  
11 86 67 48 57 49 43 80 55 27 30.15 30.00 29.92 10 10 2 7 1 17 0.07 Rain
12 86 68 50 57 53 48 93 67 34 30.19 30.11 30.05 10 10 6 9 1 17 0.02 Rain
13 88 68 47 55 49 45 93 60 25 30.19 30.11 30.03 10 10 10 6 1 9 0.00  
14 87 69 50 56 52 47 83 61 29 30.07 29.97 29.87 10 10 10 7 0 16 0.00  
15 77 63 49 54 50 44 86 73 41 29.99 29.93 29.89 10 9 1 10 3 23 0.21 Rain
16 71 57 42 48 42 37 92 64 33 30.06 30.00 29.95 10 10 10 10 3 20 0.00  
17 75 58 40 45 39 36 86 57 25 30.18 30.13 30.08 10 10 10 9 2 16 0.00  
18 83 63 43 48 41 36 76 53 24 30.27 30.20 30.14 10 10 10 7 1 13 0.00  
19 85 66 46 48 44 40 82 52 23 30.21 30.14 30.07 10 10 10 7 1 13 0.00  
20 85 65 45 48 40 28 76 45 13 30.16 30.09 30.03 10 10 10 8 2 16 0.00  
21 85 66 47 47 41 37 71 46 22 30.12 30.07 30.02 10 10 10 8 3 15 0.00  
22 90 68 46 47 40 35 71 44 16 30.14 30.10 30.05 10 10 10 7 2 13 0.00  
23 93 69 45 47 39 33 71 44 12 30.19 30.09 30.00 10 10 10 7 0 14 0.00  
24 84 66 48 48 43 37 71 46 25 30.00 29.92 29.85 10 10 10 8 1 22 0.00  
25 61 51 41 48 45 40 92 72 55 30.12 30.00 29.85 10 10 7 8 2 - T Rain
26 75 57 38 47 42 36 93 68 35 30.16 30.12 30.08 10 10 8 5 0 13 0.00  
27 81 62 43 50 45 40 93 62 32 30.19 30.15 30.11 10 10 10 7 1 15 0.00  
28 81 63 45 56 48 42 86 65 36 30.21 30.14 30.06 10 10 10 9 3 17 0.00  
29 86 66 46 50 44 39 86 54 20 30.09 30.04 29.98 10 10 10 7 1 17 0.00  
30 80 63 46 50 45 41 80 52 32 29.99 29.94 29.90 10 10 10 7 1 15 0.00